magnet:?xt=urn:btih:cbc79bc2451bccecf1bcfb04523906d263c15b51&xt=urn:md5:422ac686dcdd50a34b948b4903e3de0c&xl=2656540&dn=qtdoc-opensource-src-5.7.0.tar.xz&as=https://download.qt.io/new_archive/qt/5.7/5.7.0/submodules/qtdoc-opensource-src-5.7.0.tar.xz&tr=http://bt.qt-project.org:6969/announce